What Wavelengths Are Used in Current Searches for Extraterrestrial Intelligence

question 55

Multiple Choice

What wavelengths are used in current searches for extraterrestrial intelligence by radio telescopes?

• A)wavelengths that are longer than the local wavelengths emitted by the Earth's atmosphere
• B)wavelengths that are longer than the radio wavelength "noise" naturally emitted by our galaxy
• C)wavelengths with the greatest speeds
• D)the same wavelengths that are used on Earth for TV signals

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Definitions:

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A financial statement that shows a company's revenues and expenses over a specific period, usually a fiscal quarter or year, to calculate net income.

Adjusting Entry

A journal entry made in accounting records at the end of an accounting period to allocate income and expenditure to the correct period.

Net Income

The net earnings of a company, calculated by deducting all operating costs and taxes from the total income.

Adjusting Entries

Entries recorded in the journals at the conclusion of a fiscal period to distribute revenues and costs to the timeframe in which they genuinely took place.